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Commit f893afbe authored by Anton Altaparmakov's avatar Anton Altaparmakov Committed by Linus Torvalds
Browse files

[PATCH] NTFS: Critical bug fix (affects MIPS and possibly others) 



Many thanks to Pauline Ng for the detailed bug report and analysis!

Signed-off-by: default avatarAnton Altaparmakov <aia21@cantab.net>
Cc: <stable@kernel.org>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 5d2170ad

fs/ntfs/file.c

+7 −6
Original line number Diff line number Diff line
@@ -1484,14 +1484,15 @@ static inline void ntfs_flush_dcache_pages(struct page **pages, 
		unsigned nr_pages)

{

	BUG_ON(!nr_pages);

	do {

	/*

		 * Warning: Do not do the decrement at the same time as the

		 * call because flush_dcache_page() is a NULL macro on i386

		 * and hence the decrement never happens.

	 * Warning: Do not do the decrement at the same time as the call to

	 * flush_dcache_page() because it is a NULL macro on i386 and hence the

	 * decrement never happens so the loop never terminates.

	 */

	do {

		--nr_pages;

		flush_dcache_page(pages[nr_pages]);

	} while (--nr_pages > 0);

	} while (nr_pages > 0);

}



/**